EP1783799B1 - Kühlsystem für Flach-Bildschirm und sein Querstromventilator - Google Patents

Kühlsystem für Flach-Bildschirm und sein Querstromventilator Download PDF

Info

Publication number
EP1783799B1
EP1783799B1 EP06254114A EP06254114A EP1783799B1 EP 1783799 B1 EP1783799 B1 EP 1783799B1 EP 06254114 A EP06254114 A EP 06254114A EP 06254114 A EP06254114 A EP 06254114A EP 1783799 B1 EP1783799 B1 EP 1783799B1
Authority
EP
European Patent Office
Prior art keywords
cross
flow fan
flat display
back cover
display device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP06254114A
Other languages
English (en)
French (fr)
Other versions
EP1783799A1 (de
Inventor
Hong Ki Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1783799A1 publication Critical patent/EP1783799A1/de
Application granted granted Critical
Publication of EP1783799B1 publication Critical patent/EP1783799B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
    • F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S345/00—Computer graphics processing and selective visual display systems
    • Y10S345/905—Display device with housing structure

Definitions

  • the present invention relates to a flat display device, and to a cooling apparatus for a flat display device.
  • JP10097195 discloses a metal wall mount fitting.
  • the fitting is provided with a fan forcibly ventilating through a space between a display device and a wall from the bottom to the top, this permits a decrease in a space between the display device and the wall.
  • the metal fitting is provided with side plates for closing both sides of the space between the back of the display device and the wall.
  • Embodiments can be operated with a low noise while quickly dissipating internal heat outside the display device.
  • flat displays tend to use a driving circuit arranged in a matrix pattern to differently excite pixels and thus realize an image.
  • the flat display device has been widely used as it takes up a relatively small space.
  • a variety of flat display modules such as a liquid crystal display (LCD), a field emission display (FED), a plasma display panel (PDP), and an electro-luminescence (EL) have been applied to the flat display device.
  • the flat display device using the flat display module is reduced in thickness as compared with the CRT.
  • the heat which is generated by the heat-generating components in the flat display device during the operation of the flat display module, must be effectively dissipated outside the display device.
  • a heat sink is attached on a rear surface of a specific component generating a large amount of heat to cool that component. Furthermore, in order to generally dissipate the heat, a plurality of holes is formed on a cover of the flat display device so that cool air can pass through the holes.
  • the flat display device may not be stably operated. That is, the internal temperature of the flat display device increases to reduce the performance of the flat display device.
  • an axial fan may be installed on a rear center of a back cover in a direction perpendicular to a direction where the display device is formed.
  • the axial fan forcedly exhausts the internal high temperature air of the flat display device to the external side through a rear side of the display device.
  • a gap of ten or more centimeters must be provided between the rear surface of the display device and the wall so that the air can be exhausted.
  • an overall thickness of the flat display device increases.
  • the noise generated from the axial fan interferes with the listening of the sound.
  • US-A-2004/0223299 discloses apparatus and method for cooling a display unit, which includes a first set of one or more openings to allow pressured air to enter a display unit housing and a second set of one or more openings to allow the air to exit.
  • the pressured air is generated by an air movement device.
  • the air movement device may be internal or external to the display unit housing.
  • JP-A-08 179 836 discloses a cooling apparatus for a flat display device as defined in the preamble of claim 1.
  • embodiments are directed to a cooling apparatus for a flat display device that substantially obviates one or more problems due to limitations and disadvantages of the related art.
  • An object of some embodiments is to provide a cooling apparatus for a flat display device, which is designed to make the flat display device slimmer and effectively dissipate internal heat of the flat display device.
  • Another object of some embodiments is to provide a cooling apparatus for a flat display device, which can minimize noise and be manufactured with low costs.
  • Still another object of some embodiments is to provide a cooling apparatus that can reduce a size of the flat display device and improve heat dissipation efficiency by installing a fan on a proper location.
  • Still yet another object of some embodiments is to provide a cooling apparatus that is proper to a flat display device that is slim, can generate air current with a low voltage and reduce the generation of the noise
  • the flat display device may be designed to be slimmer and the internal heat of the flat display device can be effectively dissipated.
  • the fan may be properly designed to operate with low noise, thereby improving the user's convenience.
  • FIG. 1 is a perspective view of a flat display device having a cooling apparatus embodying the present invention
  • FIG. 2 is a partially broken perspective view of the flat panel display of FIG. 1 ;
  • FIG. 3 is a sectional view taken along line I-I';
  • FIG. 4 is a schematic sectional view of a cross-flow fan useable in the present invention.
  • FIG. 5 is an enlarged view of a portion A of FIG. 4 ;
  • FIG. 6 is a graph showing noise according to a ratio between inner and outer diameters (Di/Do) of a blade of the cross-flow fan of FIG. 6 ;
  • FIG. 7 is a graph showing noise with blade installation angle
  • FIG. 8 is a graph showing noise with maximum camber
  • FIG. 9 is a graph showing noise with solidity.
  • FIG. 10 is a rear view of the flat display device of FIG. 1 .
  • a flat display device 1 includes a flat display module 2, a front cover 3 for supporting and protecting a front portion of the flat display module 2, and a back cover 4 for supporting and protecting a rear portion of the flat display module 2.
  • An air outlet 5 through which internal hot air of the flat display device 1 exhaust is formed on an upper peripheral of the back cover 4.
  • the air outlet 5 has a plurality of slits.
  • the flat display module 2 may be selected from the group consisting of an LCD, an FED, a PDP, and an EL.
  • the flat display module 2 is a PDP generating high temperature heat.
  • the front and back covers 3 and 4 define a space for receiving the flat display module 2 and protect components disposed in the space.
  • the front and back covers 3 and 4 are independent parts that are assembled with each other.
  • the present invention is not limited to this case.
  • the front and rear covers 3 and 4 may be integrated with each other as a single body as far as they can protect the front and rear portions of the display device.
  • the air outlet 5 is provided on an inclined peripheral portion of the back cover 4 so that the hot air can be exhausted upward and thus the hot air can more effectively flow.
  • the heat generated from the front portion of the display module 2 can be quickly dissipated by the natural convection of the outer air.
  • a cross-flow fan 7 is installed in an inner-upper portion of the flat display device 1 in a longitudinal direction of the flat display device 1.
  • the cross-flow fan provides air outlet channel aligned with the air outlet 5 so as to blow the air forced by the impeller 3.
  • the top surface of the back cover 4 provides a gap through which the internal hot air is exhausted to the external side. Since the hot air can be exhausted through the top surface of the back cover 4, the air exhaust can be more effectively realized to reduce airflow resistance and airflow noise, thereby enhancing the heat dissipation efficiency of the flat display device.
  • the cross-flow fan 7 includes an impeller (10 of FIG. 3 ) disposed in the longitudinal direction of the back cover 4 and a circular plate 11 for dividing the impeller 10 by a predetermined interval along the longitudinal direction of the impeller 10 and enhancing strength of the impeller.
  • the cross-flow fan 7 further includes a driving shaft 15 connected to a motor 14. A rotational force of the motor 14 is transferred to the cross-flow fan via the driving shaft 15.
  • the impeller 10 is disposed in a housing 18 to guide the airflow when the impeller 10 rotates.
  • the housing 18 includes a scroll 12 disposed in front of the impeller 10 and spaced apart from the impeller 10 and a stabilizer 13 disposed in rear of the impeller 10 and spaced apart from the impeller 10.
  • the impeller 10 rotates clockwise in the drawing.
  • the cross-fan 7 extends fully relative to the overall longitudinal length of the top surface of the back cover 4, a relatively large amount of air can be exhausted.
  • the air exhaust area increases as compared to that of the prior art, the airflow resistance and airflow noise can be reduced.
  • the hot air is exhausted through the top surface of the back cover 4, there is no need to provide a gap between a wall on which the display device is installed and a rear surface of the back cover 4. Therefore, the flat panel display device can be disposed close to a wall, thereby taking up a relatively small space.
  • the fan should be operated with low noise considering the property of the display device.
  • the inventor has developed a cross-flow fan that can realize the low noise and high air current.
  • a structure of the cross-flow fan that can realize the low noise and high air current will now be described.
  • the condition for generating high air current depends on an RPM of the cross-flow fan
  • the cross-flow fan will be described with reference to information obtained using noise amount as a major factor.
  • the noise condition is most critical for the display device with sound system, for example television system.
  • the cross-flow fan includes the housing 18 and the impeller 10.
  • the housing includes the scroll 12 and the stabilizer 13.
  • the design factors of the scroll 12, which affect on the performance of the cross-flow fan, include a scroll extreme end angle ⁇ 4, a scroll radius R1, and an outlet angle ⁇ 1.
  • the design factors of the stabilizer 13 include a stabilizer installation angle ⁇ 3, a tip radius R1, and a stabilizer dispersion angle ⁇ 2.
  • the design factors of the impeller 10 include a ratio (Di/Do) of an inner diameter Di to an outer diameter Do of a blade, a solidity, a maximum camber amount, and a blade installation angle ⁇ .
  • the shapes of the scroll 12 and stabilizer 13 are preset according to a size, structure and shape of the flat display device. Therefore, a structure of the impeller 10 is proposed when it is assumed that the shapes of the scroll 12 and stabilizer 13 are set to have the following specification.
  • the scroll extreme end angle ⁇ 4 is 30°
  • the scroll radius R1 is 32mm
  • the scroll outlet angle ⁇ 1 is 40°.
  • the stabilizer installation angle ⁇ 3 is 80°
  • the tip radius R1 is 10mm
  • the stabilizer dispersion angle ⁇ 2 is 10°.
  • the ratio (Di/Do) increases from a lowest ratio (0.69) at both ends of a curve. Therefore, in the present invention the ratio (Di/Do) is set to be within a range of 0.69 ⁇ 0.03.
  • the blade installation angle ⁇ is a value representing an inclination of an extending line of a chord wire of the blade. Referring to FIG. 7 , when the blade installation angle ⁇ is set at 24.2°, the lowest noise is generated. As the blade installation angle ⁇ increases or decreases from 24.2°, the noise increases. Therefore, in the present invention the blade installation angle ⁇ is set to be within a range of 24.2 ⁇ 1.5°. Furthermore, within the range of the blade installation angle ⁇ , the number of blades is set to be within a range of 20 ⁇ 2.
  • the maximum camber amount is defined by a camber/chord length (CL). Referring to FIG. 8 , when the maximum camber amount is 10%, the lowest noise is generated. The noise increases as the maximum camber amount increases and decreases from 10%. Therefore, in the embodiment the maximum camber amount is set to be approximately within a range of 10 ⁇ 3%.
  • the solidity is a value (Chord Length(CL)/Pitch(P)). Referring to FIG. 9 , when the solidity is 0.8, the lowest noise is generated. As the solidity increases or decreases.from 0.8, the noise increases. Therefore, in the embodiment the solidity is set to be approximately within a range of 0.8 ⁇ 0.1.
  • a side air inlet 16 and a rear air inlet 17 are further formed on the back cover 4.
  • the lower air inlet 16 is formed on an inclined portion of the lower peripheral of the back cover 4 to introduce external cool air into the flat display device.
  • the cool air introduced through the lower air inlet compensates for the hot air exhausted through the air outlet 5. That is, the cool air introduced compensates for a negative pressure generated by the natural convection and a negative pressure generated by the air exhausted through the air outlet 5.
  • the cool air introduced through the lower air inlet 16 cools the components provided on the rear surface of the flat display module 2 and is then exhausted through the air outlet 5 via the cross-flow fan 7.
  • the lower air inlet 16 is preferably formed along the overall longitudinal length of the lower peripheral of the back cover 4 so that the components can be uniformly cooled. Arrows in the drawing indicates the airflow direction.
  • the cross-flow fan 7 is formed along the overall longitudinal length of the upper peripheral of the back cover 4 and the effective exhaust area is formed throughout the overall area of the upper surface of the back cover 4. Therefore, the cool air introduced through the lower air inlet 16 flows upward, in the course of which the components is cooled, and is then exhausted through the air outlet 5. If the length of the cross-flow fan 7 is reduced, the heat dissipation effect at the both inner sides of the flat display device may be reduced. Nevertheless, since the effective exhaust area is large enough, the heat dissipation efficiency can be still improved.
  • Some of the components i.e., a power unit
  • Some of the components i.e., a power unit
  • TCP tape carrier package chip
  • the components that require the thermal stability are disposed close to the lower air inlet 16 so that they can be quickly cooled by the cool air introduced.
  • the components generating a large amount of heat is preferably disposed close to the cross-flow fan 7 so that the heat generated by the components can be quickly dissipated without affecting on other circuits.
  • the rear air inlet 17 is provided for the components that cannot be changed their installing location.
  • the cross-flow fan can be disposed long along the one of the side periphery of the back cover 4, the internal hot air of the back cover can be quickly exhausted, thereby improving the heat dissipation efficiency and operational reliability of the flat display device.
  • the flat display device can be designed to be slimmer while providing a sufficient heat dissipation effect.
  • the structure Since the installation location of the fan is properly set, the structure is simplified and thus a size of the flat display device can be reduced.
  • the fan can operate with low noise and high air current. As a result, the user does not feel displeasure while he/she is watching TV.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Claims (7)

  1. Kühlvorrichtung für ein flaches Anzeigegerät, aufweisend:
    ein flaches Anzeigemodul;
    eine vordere Abdeckung zum Schützen eines vorderen Teils des flachen Anzeigemoduls;
    eine hintere Abdeckung zum Schützen eines hinteren Teils des flachen Anzeigemoduls;
    eine in einem Teil der hinteren Abdeckung gebildete Lufteintrittsöffnung, um das Einleiten externer Luft in die hintere Abdeckung zu gestatten;
    eine in einem oberen Teil der hinteren Abdeckung gebildete Luftaustrittsöffnung, um das Ausstoßen der in die hintere Abdeckung eingeleiteten Luft dadurch zu gestatten;
    einen Querstromlüfter, der innerhalb der hinteren Abdeckung positioniert und auf die in der hinteren Abdeckung gebildete Luftaustrittsöffnung ausgerichtet ist; und
    einen im Querstromlüfter gebildeten Luftaustrittskanal, der auf die Luftaustrittsöffnung der hinteren Abdeckung ausgerichtet ist,
    wobei der Querstromlüfter in einem inneren oberen Teil der hinteren Abdeckung installiert ist,
    dadurch gekennzeichnet, dass ein Verhältnis eines inneren Durchmessers des Querstromlüfters zu einem äußeren Durchmesser des Querstromlüfters 0,69±0,03 beträgt und ein Installationswinkel einer Schaufel des Querstromlüfters 24,2±1,5° beträgt.
  2. Kühlvorrichtung nach einem der vorhergehenden Ansprüche, wobei der Querstromlüfter einen äußersten Endwinkel einer Spirale von 30°, einen Spiralenradius von 32 mm, einen Austrittswinkel der Spirale von 40°, einen Installationswinkel eines Stabilisators von 80°, einen Spitzenradius von 10 mm und einen Aufteilungswinkel des Stabilisators von 10° hat.
  3. Kühlvorrichtung nach einem der vorhergehenden Ansprüche, wobei eine maximale Wölbung einer Schaufel des Querstromlüfters 10±3% beträgt.
  4. Kühlvorrichtung nach einem der vorhergehenden Ansprüche, wobei eine Festigkeit einer Schaufel des Querstromlüfters 0,8±0,1 beträgt.
  5. Kühlvorrichtung nach einem der vorhergehenden Ansprüche, wobei die Anzahl der Schaufeln des Querstromlüfters 20±2 beträgt.
  6. Kühlvorrichtung nach einem der vorhergehenden Ansprüche, wobei sich der Querstromlüfter im Uhrzeigersinn dreht, wenn er von einer rechten Seite des flachen Anzeigegeräts gesehen wird.
  7. Kühlvorrichtung nach einem der Ansprüche 1 bis 6, wobei die Lufteintrittsöffnung der hinteren Abdeckung in einem unteren peripheren Teil der hinteren Abdeckung gebildet ist.
EP06254114A 2005-11-04 2006-08-04 Kühlsystem für Flach-Bildschirm und sein Querstromventilator Expired - Fee Related EP1783799B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050105176A KR100731366B1 (ko) 2005-11-04 2005-11-04 평면 디스플레이 기기의 냉각 장치 및 그 장치의 횡류팬

Publications (2)

Publication Number Publication Date
EP1783799A1 EP1783799A1 (de) 2007-05-09
EP1783799B1 true EP1783799B1 (de) 2010-12-01

Family

ID=37719165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06254114A Expired - Fee Related EP1783799B1 (de) 2005-11-04 2006-08-04 Kühlsystem für Flach-Bildschirm und sein Querstromventilator

Country Status (5)

Country Link
US (1) US7457125B2 (de)
EP (1) EP1783799B1 (de)
KR (1) KR100731366B1 (de)
CN (1) CN1959857B (de)
DE (1) DE602006018571D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006152921A (ja) * 2004-11-29 2006-06-15 Sony Corp 冷却用送風ファン及び映像表示装置
KR100747849B1 (ko) * 2005-11-04 2007-08-08 엘지전자 주식회사 평면 디스플레이 기기 및 평면 디스플레이 기기의 냉각장치
KR100747820B1 (ko) * 2005-11-04 2007-08-08 엘지전자 주식회사 평면 디스플레이 기기의 냉각 장치
US7463487B2 (en) * 2005-11-04 2008-12-09 Lg Electronics Inc. Cooling apparatus for flat display device
KR100772247B1 (ko) * 2005-11-04 2007-11-01 엘지전자 주식회사 평면 디스플레이 기기 및 평면 디스플레이 기기의 냉각장치
WO2010013307A1 (ja) * 2008-07-28 2010-02-04 Ｎｅｃディスプレイソリューションズ株式会社 表示装置
CN102113331A (zh) * 2008-07-29 2011-06-29 汤姆森特许公司 利用过滤的显示器表征
CN102822531B (zh) * 2010-03-15 2015-07-01 夏普株式会社 风扇、成型用模具和流体输送装置
KR20120073619A (ko) * 2010-12-27 2012-07-05 삼성전자주식회사 냉각 장치 및 이를 갖는 디스플레이 기기
CN105163563B (zh) * 2015-08-27 2018-04-17 苏州佳世达电通有限公司 显示装置
US20170130948A1 (en) * 2015-11-05 2017-05-11 Litemax Electronics Inc. High -brightness panel heat-dissipating apparatus
CN106125855A (zh) * 2016-06-20 2016-11-16 王博 制冷防尘机箱
CN108174571B (zh) * 2016-12-08 2019-11-05 研能科技股份有限公司 气冷散热装置
CN108463087B (zh) * 2017-02-20 2020-05-19 研能科技股份有限公司 气冷散热装置
TWI811119B (zh) * 2022-09-23 2023-08-01 達擎股份有限公司 顯示裝置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040223299A1 (en) * 2003-05-07 2004-11-11 Prosenjit Ghosh Display cooling

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3058528A (en) * 1960-01-18 1962-10-16 Continental Motors Corp Noise suppressed fan structure
GB957393A (en) * 1962-09-24 1964-05-06 Continental Motors Corp Improvements in or relating to a noise suppressed fan structure
AU467912B2 (en) * 1973-08-20 1975-12-18 Yamamoto Teruo Cross-flow fan
US4014625A (en) * 1973-08-20 1977-03-29 Teruo Yamamoto Transverse flow fan
JPS6117134A (ja) * 1984-04-13 1986-01-25 デモルツクス・ゲ−・エム・ベ−・ハ−・ウント・コンパニ−・カ−・ゲ− オ−バ−ヘッド型プロジェクタ
FR2619422B1 (fr) * 1987-08-13 1989-12-08 Onera (Off Nat Aerospatiale) Ventilateur a courant transversal
JPH08179836A (ja) * 1994-12-20 1996-07-12 Fujitsu General Ltd 表示器の冷却装置
JPH1097195A (ja) * 1996-09-20 1998-04-14 Fujitsu General Ltd 表示装置の壁掛け金具
US6261051B1 (en) * 1998-09-02 2001-07-17 Gordon A. Kolacny Fan duct combination unit
JP2001272919A (ja) * 2000-03-24 2001-10-05 Sanyo Electric Co Ltd Ｐｄｐ表示装置
JP2003029648A (ja) * 2001-07-16 2003-01-31 Sanyo Electric Co Ltd プラズマディスプレイ
TW583529B (en) * 2001-11-15 2004-04-11 Wistron Corp Liquid crystal display computer with a removable device frame
CN100381969C (zh) * 2001-11-28 2008-04-16 纬创资通股份有限公司 设有可移式后壳体的液晶显示电脑
US6903928B2 (en) * 2002-06-13 2005-06-07 Rotys Inc. Integrated crossflow cooler for electronic components
KR20050068528A (ko) * 2003-12-30 2005-07-05 엘지전자 주식회사 영상표시기기의 냉각 장치
JP4196346B2 (ja) * 2004-03-25 2008-12-17 三菱電機株式会社 空気調和機
JP4788409B2 (ja) * 2006-03-09 2011-10-05 ソニー株式会社 横流送風装置及び電子機器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040223299A1 (en) * 2003-05-07 2004-11-11 Prosenjit Ghosh Display cooling

Also Published As

Publication number Publication date
CN1959857A (zh) 2007-05-09
US7457125B2 (en) 2008-11-25
KR100731366B1 (ko) 2007-06-21
DE602006018571D1 (de) 2011-01-13
US20070103864A1 (en) 2007-05-10
EP1783799A1 (de) 2007-05-09
CN1959857B (zh) 2010-12-29
KR20070048297A (ko) 2007-05-09

Similar Documents

Publication Publication Date Title
EP1783799B1 (de) Kühlsystem für Flach-Bildschirm und sein Querstromventilator
US7492589B2 (en) Cooling apparatus for flat display device
EP1784068B1 (de) Flache Anzeigevorrichtung und deren Kühlgerät
US7463487B2 (en) Cooling apparatus for flat display device
KR100747848B1 (ko) 평면 디스플레이 기기의 냉각 장치
US7828045B2 (en) Heat sink and information processor using heat sink
US8320119B2 (en) Image display
US20020098792A1 (en) Duct flow-type fan
JP2011034309A (ja) 電子機器
CN111684209B (zh) 室外机及空气调节机
USRE40369E1 (en) Heat sink and electronic device employing the same
JP2002368473A (ja) 発熱性電子部品放熱装置、放熱構造を有する電子機器および電子装置
CN210864590U (zh) 一种辅助散热式一体机
JP2010181660A (ja) 画像表示装置
KR100805400B1 (ko) 평면 디스플레이 기기의 냉각 장치
KR20050045141A (ko) 플라즈마 디스플레이 장치
JP2003023283A (ja) 電子部品の冷却装置
US11808932B2 (en) Microscope stand and module and housing therefor
US20080062387A1 (en) Electronic device and projector
JP2004093085A (ja) 室外機の電装品ユニット
JP2006128388A (ja) 電子機器およびその冷却構造
JP2000252401A (ja) ヒートシンクの冷却方法、電子機器の冷却方法、電源機器の冷却方法、ヒートシンクの冷却装置、電子機器の冷却装置および電源機器の冷却装置
KR20090040687A (ko) 평면 디스플레이 기기 및 그 평면 디스플레이 기기의냉각장치
KR20080039122A (ko) 축류팬 조립체

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

17P Request for examination filed

Effective date: 20071108

17Q First examination report despatched

Effective date: 20071217

AKX Designation fees paid

Designated state(s): DE FR GB

R17C First examination report despatched (corrected)

Effective date: 20071227

R17C First examination report despatched (corrected)

Effective date: 20080122

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 602006018571

Country of ref document: DE

Date of ref document: 20110113

Kind code of ref document: P

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20110902

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602006018571

Country of ref document: DE

Effective date: 20110902

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20190709

Year of fee payment: 14

Ref country code: DE

Payment date: 20190705

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20190708

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602006018571

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20200804

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210302

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200804